Collectin of 43 kDa (CL-43) is a collectin protein that acts as an antigen recognition protein. When an agent, zymosan, was injected into the tunicateStyela plicata (causing inflammation), secretion of this collectin was tripled within 96 hours.[1]
↑ Green, Peter L; Nair, Sham V; Raftos, David A (2003). "Secretion of a collectin-like protein in tunicates is enhanced during inflammatory responses". Developmental & Comparative Immunology. 27 (1): 3–9. doi:10.1016/S0145-305X(02)00067-8. PMID12477496.